UploadEnvFiles

export async function uploadEnvFiles(env_name: string) {
	const LOGGER: pino.Logger = PinoLoggerServiceInstance.getLogger(__filename);

	return new Promise(async (res, rej) => {
	   // Get the storage bucket
	   const str = GcloudAuthenticationInstance.createGcloudAuthenticationBucket();

           // get the bucket name
	   const bucketToUpload = GCLOUD_ENV_STR_BUCKET_NAME;
	   let uploadLocalFilePath;
	   let destinationBucketPath;
	   // Custom implementation - determine the file to be uploaded based on the env
	    if (!AppUtilServiceInstance.isNullOrUndefined(env_name)) {
	 	uploadLocalFilePath =
	            ENV_NAME_DEV === env_name
		       ? GCLOUD_UPLOAD_FILE_DEV_LOCAL_PATH
			: GCLOUD_UPLOAD_FILE_PROD_LOCAL_PATH;
		destinationBucketPath =
		    ENV_NAME_DEV === env_name ? GCLOUD_DATABASE_BUCKET_DEV : GCLOUD_DATABASE_BUCKET_PROD;
		}
		LOGGER.info('after authentication');
		
		// Use pump module to do the streaming
		pump(fs.createReadStream(uploadLocalFilePath),str.bucket(bucketToUpload)
			.file(destinationBucketPath)
			.createWriteStream({
			    gzip: true,
			    public: true,
			    resumable: true,
		        })
		   ).on('error', (err) => {
		       LOGGER.error('Error occured in uploading:', err);
			rej({ status: 'Error', error: err, code: 500 });
		   }).on('finish', () => {
			LOGGER.info('Successfully uploaded the file');
			res({ status: 'Success', code: 201, error: null });
		  });
	});
}